Dave was in the audience and asked him the shirt question during the before-show Q+A, and Colbert both taken with the question and also made a "no more asking questions that are written on your shirt" rule, which is pretty great. ALSO: he answered yes. Thanks for being awesome, Dave!

Finally, the idea of writing everything you are into a book has been done already, it turns out, in real life. The guy who did it, Lion Kimbro, suggests that it takes a lot of time and you'll likely be immobilized for the duration of the experiment. So! Keep that in mind, okay?